Question 994 of 2,152

Embedded Event Manager (EEM) →hardMultiple ChoiceObjective-mapped

300-410 Embedded Event Manager (EEM) Practice Question

This 300-410 practice question tests your understanding of embedded event manager (eem). The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.

A network engineer configures an EEM applet to monitor IPsec tunnel failures using the event syslog pattern 'IPSEC-3-IPSEC'. The applet is designed to clear the IPsec security associations. The IPsec tunnel fails due to a transform-set mismatch, but the EEM applet does not trigger. Which is the most likely explanation?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

A
Transform-set mismatch generates an IPSEC syslog with severity 4, not severity 3.
Correct. The syslog for transform-set mismatch is severity 4, so the pattern 'IPSEC-3-IPSEC' does not match.
B
The EEM applet must use 'event isakmp' to capture IPsec events.
Why wrong: EEM does not have a native ISAKMP event trigger; syslog is used.
C
The IPsec tunnel failure is not logged because the router drops the packet silently.
Why wrong: The failure is logged, but with a different severity.
D
The transform-set mismatch causes a routing loop that suppresses syslog generation.
Why wrong: No routing loop occurs; the IKE negotiation simply fails.

Full breakdown with real-world context →

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

Transform-set mismatch generates an IPSEC syslog with severity 4, not severity 3.

When an IPsec tunnel fails due to a transform-set mismatch, the IKE phase 2 negotiation fails, and the syslog message generated is typically 'IPSEC-4-IPSEC' (severity 4) or 'ISAKMP-4-ISAKMP' (severity 4) depending on the IOS version. The pattern 'IPSEC-3-IPSEC' is for severity 3 errors, which are used for more critical events like SA lifetime expiration or hardware failures. The transform-set mismatch is a negotiation failure, not a critical error, so the syslog severity is lower (4), and the EEM applet does not match.

Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

✓
Transform-set mismatch generates an IPSEC syslog with severity 4, not severity 3.
Why this is correct
Correct. The syslog for transform-set mismatch is severity 4, so the pattern 'IPSEC-3-IPSEC' does not match.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The EEM applet must use 'event isakmp' to capture IPsec events.
Why it's wrong here
EEM does not have a native ISAKMP event trigger; syslog is used.
✗
The IPsec tunnel failure is not logged because the router drops the packet silently.
Why it's wrong here
The failure is logged, but with a different severity.
✗
The transform-set mismatch causes a routing loop that suppresses syslog generation.
Why it's wrong here
No routing loop occurs; the IKE negotiation simply fails.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.

Detailed technical explanation

How to think about this question

This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.

KKey Concepts to Remember

Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
Use explanations to understand the rule behind the answer.

TExam Day Tips

Underline the problem statement mentally.
Watch for words such as best, first, most likely and least administrative effort.
Review why wrong options are wrong, not only why the correct option is correct.

Key takeaway

Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Real-world example

How this comes up in practice

A practitioner preparing for the 300-410 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.

Quick reference

VPN Protocol Comparison

Protocol	Port	Encryption	Authentication	Use Case
IKEv2 / IPsec	UDP 500 / 4500	AES-256	Certificates / PSK	Site-to-site & remote access
SSL / TLS VPN	TCP 443	TLS 1.3	Certificates / MFA	Clientless remote access
L2TP / IPsec	UDP 1701	AES (IPsec)	PSK / Certificates	Legacy remote access
WireGuard	UDP 51820	ChaCha20	Public keys	Modern high-performance VPN
PPTP	TCP 1723	MPPE (weak)	MS-CHAPv2	Legacy — avoid in production

PPTP is considered insecure. IKEv2/IPsec and SSL VPN are the current recommended options.

What to study next

Got this wrong? Here's your next step.

Identify which 300-410 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.

Related 300-410 practice-question pages

Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.

Layer 3 Technologies practice questions

Practise 300-410 questions linked to Layer 3 Technologies.

EIGRP Troubleshooting practice questions

Practise 300-410 questions linked to EIGRP Troubleshooting.

OSPF Troubleshooting (v2/v3) practice questions

Practise 300-410 questions linked to OSPF Troubleshooting (v2/v3).

BGP Troubleshooting practice questions

Practise 300-410 questions linked to BGP Troubleshooting.

Route Redistribution practice questions

Practise 300-410 questions linked to Route Redistribution.

Policy-Based Routing (PBR) practice questions

Practise 300-410 questions linked to Policy-Based Routing (PBR).

VRF-Lite practice questions

Practise 300-410 questions linked to VRF-Lite.

Route Maps and Route Filtering practice questions

Practise 300-410 questions linked to Route Maps and Route Filtering.

Administrative Distance practice questions

Practise 300-410 questions linked to Administrative Distance.

Route Summarization practice questions

Practise 300-410 questions linked to Route Summarization.

Bidirectional Forwarding Detection (BFD) practice questions

Practise 300-410 questions linked to Bidirectional Forwarding Detection (BFD).

VPN Technologies practice questions

Practise 300-410 questions linked to VPN Technologies.

Practice this exam

Start a free 300-410 practice session

Short sessions build daily habit. Longer sessions build exam-day stamina. Try a timed session to simulate real conditions.

10 questions 20 questions 30 questions 50 questions Timed 30

300-410 practice-test guide →Study guide →Browse all practice tests

FAQ

Questions learners often ask

What does this 300-410 question test?

Embedded Event Manager (EEM) — This question tests Embedded Event Manager (EEM) — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Transform-set mismatch generates an IPSEC syslog with severity 4, not severity 3. — When an IPsec tunnel fails due to a transform-set mismatch, the IKE phase 2 negotiation fails, and the syslog message generated is typically 'IPSEC-4-IPSEC' (severity 4) or 'ISAKMP-4-ISAKMP' (severity 4) depending on the IOS version. The pattern 'IPSEC-3-IPSEC' is for severity 3 errors, which are used for more critical events like SA lifetime expiration or hardware failures. The transform-set mismatch is a negotiation failure, not a critical error, so the syslog severity is lower (4), and the EEM applet does not match.

What should I do if I get this 300-410 question wrong?

Are there clue words in this question I should notice?

Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

About these practice questions

Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →

How Courseiva writes practice questions · Editorial policy

Keep practising

Question Discussion

Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.

Loading comments…

This 300-410 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 300-410 exam.